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7 papers · 1 filter
The black widow pulsar J1641+8049 in the optical, radio and X-rays
A. Yu. Kirichenko, S. V. Zharikov, A. V. Karpova +14
PSR J1641+8049 is a 2 ms black widow pulsar with the 2.2 h orbital period detected in the radio and -rays. We performed new phase-resolved multi-band photometry of PSR J1641+804…
Security Verification of Low-Trust Architectures
Qinhan Tan, Yonathan Fisseha, Shibo Chen +4
Low-trust architectures work on, from the viewpoint of software, always-encrypted data, and significantly reduce the amount of hardware trust to a small software-free enclave compo…
The NANOGrav 15-year Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational Wave Background
Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald +111
The NANOGrav 15-year data set shows evidence for the presence of a low-frequency gravitational-wave background (GWB). While many physical processes can source such low-frequency gr…
A Novel Application of Conditional Normalizing Flows: Stellar Age Inference with Gyrochronology
Phil Van-Lane, Joshua S. Speagle, Stephanie Douglas
Stellar ages are critical building blocks of evolutionary models, but challenging to measure for low mass main sequence stars. An unexplored solution in this regime is the applicat…
Hyades Member K2-136c: The Smallest Planet in an Open Cluster with a Precisely Measured Mass
Andrew W. Mayo, Courtney D. Dressing, Andrew Vanderburg +39
K2-136 is a late-K dwarf ( M) in the Hyades open cluster with three known, transiting planets and an age of Myr. Analyzing K2 photometry, we found…
Contemporaneous Observations of Luminosities and Photometric Amplitudes for M Dwarfs
Aylin García Soto, Elisabeth R. Newton, Stephanie T. Douglas +2
While many M dwarfs are known to have strong magnetic fields and high levels of magnetic activity, we are still unsure about the properties of their starspots and the origin of the…